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Circumference of a circle = 2*pi*radius or pi*diameter

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11y ago
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14y ago

Circumference for the known value of D:

C=Pi(D)

Circumference for the known value of R :

or C=2(Pi)R

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Wiki User

15y ago

Circumference of a circle is given by 2 X pi X radius of the circle. pi = 3.14 or 22/7.

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Q: What is the formula for the circumfrance of a circle?
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